conic section

基本解释

According to the fUndamental theorem of coniC In projective geometry any five points can decide one conic section.
在射影幾何中，二次曲線定理告訴我們任意五點可以決定一條二次曲線。
Theory calculate and finite element method to symmetric conic-section flexure hinges is used to compare and analyze their dynamics characteristic.
通過對四種二次曲線截麪的柔性鉸鏈的理論計算和有限元分析，比較分析了它們的力學特性。
By using transformation thought, this paper obtains the focus chord of all kinds of conic section through analyzing a sample in conic section teaching.
利用變換思想，對圓錐曲線教學中的一道例題進行分析，得出了各種圓錐曲線的焦點弦，竝引伸其結論，將圓錐曲線的焦點弦變換爲中心弦。

one of a group of curves formed by the intersection of a plane and a right circular cone. It is either a circle, ellipse, parabola, or hyperbola, depending on the eccentricity, e, which is constant for a particular curve e = 0 for a circle ee = 1 for a parabola e>1 for a hyperbola (Often shortened to conic)